Transaction not yet indexed

nkmEKzFSLMPFnM8i61EB7mSWKc27uoqvizsgWAQh6uXWN5Q4TKqxNvreoGf8jY2AxVpqd2wKrpCWPPoWa3HxW73

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.